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8th grade (Illustrative Mathematics)
Free
Course content
178 Lessons
Unit 1: Rigid transformations and congruence
Lesson 5: Coordinate moves
Lesson 5: Coordinate moves
Reflecting points
Reflecting points
Reflecting shapes
Reflecting shapes
Lesson 6: Describing transformations
Lesson 6: Describing transformations
Determining reflections
Determining reflections
Mapping shapes
Mapping shapes
Lesson 7: No bending or stretching
Lesson 7: No bending or stretching
Rigid transformations intro
Rigid transformations intro
Finding measures using rigid transformations
Finding measures using rigid transformations
Rigid transformations: preserved properties
Rigid transformations: preserved properties
Lesson 12: Congruent polygons
Lesson 12: Congruent polygons
Congruent shapes & transformations
Congruent shapes & transformations
Non-congruent shapes & transformations
Non-congruent shapes & transformations
Lesson 14: Alternate interior angles
Lesson 14: Alternate interior angles
Missing angles with a transversal
Missing angles with a transversal
Lesson 16: Parallel lines and the angles in a triangle
Lesson 16: Parallel lines and the angles in a triangle
Angles in a triangle sum to 180° proof
Angles in a triangle sum to 180° proof
Triangle exterior angle example
Triangle exterior angle example
Worked example: Triangle angles (intersecting lines)
Worked example: Triangle angles (intersecting lines)
Unit 2: Dilations, similarity, and introducing slope
Unit 3: Linear relationships
Unit 4: Linear equations and linear systems
Unit 5: Functions and volume
Unit 6: Associations in data
Unit 7: Exponents and scientific notation
Unit 8: Pythagorean theorem and irrational numbers
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